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-rw-r--r--Documentation/RelNotes-1.7.1.txt38
-rw-r--r--Documentation/config.txt11
-rw-r--r--Documentation/diff-options.txt4
-rw-r--r--Documentation/fetch-options.txt9
-rw-r--r--Documentation/git-am.txt9
-rw-r--r--Documentation/git-branch.txt6
-rw-r--r--Documentation/git-clone.txt6
-rw-r--r--Documentation/git-cvsimport.txt18
-rw-r--r--Documentation/git-format-patch.txt11
-rw-r--r--Documentation/git-grep.txt6
-rw-r--r--Documentation/git-hash-object.txt2
-rw-r--r--Documentation/git-imap-send.txt4
-rw-r--r--Documentation/git-init.txt29
-rw-r--r--Documentation/git-mailsplit.txt5
-rw-r--r--Documentation/git-notes.txt91
-rw-r--r--Documentation/git-pull.txt10
-rw-r--r--Documentation/git-push.txt15
-rw-r--r--Documentation/git-show-branch.txt6
-rw-r--r--Documentation/merge-options.txt2
-rw-r--r--Documentation/technical/api-parse-options.txt12
20 files changed, 246 insertions, 48 deletions
diff --git a/Documentation/RelNotes-1.7.1.txt b/Documentation/RelNotes-1.7.1.txt
new file mode 100644
index 0000000000..dfc06cb3de
--- /dev/null
+++ b/Documentation/RelNotes-1.7.1.txt
@@ -0,0 +1,38 @@
+Git v1.7.1 Release Notes (draft)
+================================
+
+Updates since v1.7.0
+--------------------
+
+ * "git cvsimport" learned -R option to leave revision mapping between
+ CVS revisions and resulting git commits.
+
+ * "git for-each-ref" learned %(symref), %(symref:short) and %(flag)
+ tokens.
+
+ * "git grep" learned "--no-index" option, to search inside contents that
+ are not managed by git.
+
+ * "git grep" learned --color=auto/always/never.
+
+ * "git hash-object --stdin-paths" can take "--no-filters" option now.
+
+ * "git request-pull" identifies the commit the request is relative to in
+ a more readable way.
+
+ * "git svn" should work better when interacting with repositories
+ with CRLF line endings.
+
+ * "git imap-send" learned to support CRAM-MD5 authentication.
+
+Fixes since v1.7.0
+------------------
+
+All of the fixes in v1.7.0.X maintenance series are included in this
+release, unless otherwise noted.
+
+---
+exec >/var/tmp/1
+echo O=$(git describe)
+O=v1.7.0.2-181-gc6830a3
+git shortlog --no-merges ^maint $O..
diff --git a/Documentation/config.txt b/Documentation/config.txt
index 7103172ed3..c80262bc37 100644
--- a/Documentation/config.txt
+++ b/Documentation/config.txt
@@ -555,6 +555,13 @@ it will be treated as a shell command. For example, defining
executed from the top-level directory of a repository, which may
not necessarily be the current directory.
+am.keepcr::
+ If true, git-am will call git-mailsplit for patches in mbox format
+ with parameter '--keep-cr'. In this case git-mailsplit will
+ not remove `\r` from lines ending with `\r\n`. Can be overrriden
+ by giving '--no-keep-cr' from the command line.
+ See linkgit:git-am[1], linkgit:git-mailsplit[1].
+
apply.ignorewhitespace::
When set to 'change', tells 'git apply' to ignore changes in
whitespace, in the same way as the '--ignore-space-change'
@@ -1203,6 +1210,10 @@ imap::
The configuration variables in the 'imap' section are described
in linkgit:git-imap-send[1].
+init.templatedir::
+ Specify the directory from which templates will be copied.
+ (See the "TEMPLATE DIRECTORY" section of linkgit:git-init[1].)
+
instaweb.browser::
Specify the program that will be used to browse your working
repository in gitweb. See linkgit:git-instaweb[1].
diff --git a/Documentation/diff-options.txt b/Documentation/diff-options.txt
index 8707d0e740..60e922e6ef 100644
--- a/Documentation/diff-options.txt
+++ b/Documentation/diff-options.txt
@@ -117,12 +117,14 @@ any of those replacements occurred.
option and lists the commits in that commit range like the 'summary'
option of linkgit:git-submodule[1] does.
---color::
+--color[=<when>]::
Show colored diff.
+ The value must be always (the default), never, or auto.
--no-color::
Turn off colored diff, even when the configuration file
gives the default to color output.
+ Same as `--color=never`.
--color-words[=<regex>]::
Show colored word diff, i.e., color words which have changed.
diff --git a/Documentation/fetch-options.txt b/Documentation/fetch-options.txt
index fe716b2e42..044ec882cc 100644
--- a/Documentation/fetch-options.txt
+++ b/Documentation/fetch-options.txt
@@ -78,9 +78,16 @@ ifndef::git-pull[]
-q::
--quiet::
Pass --quiet to git-fetch-pack and silence any other internally
- used git commands.
+ used git commands. Progress is not reported to the standard error
+ stream.
-v::
--verbose::
Be verbose.
endif::git-pull[]
+
+--progress::
+ Progress status is reported on the standard error stream
+ by default when it is attached to a terminal, unless -q
+ is specified. This flag forces progress status even if the
+ standard error stream is not directed to a terminal.
diff --git a/Documentation/git-am.txt b/Documentation/git-am.txt
index 23864df8da..9e62f8778f 100644
--- a/Documentation/git-am.txt
+++ b/Documentation/git-am.txt
@@ -9,7 +9,7 @@ git-am - Apply a series of patches from a mailbox
SYNOPSIS
--------
[verse]
-'git am' [--signoff] [--keep] [--utf8 | --no-utf8]
+'git am' [--signoff] [--keep] [--keep-cr | --no-keep-cr] [--utf8 | --no-utf8]
[--3way] [--interactive] [--committer-date-is-author-date]
[--ignore-date] [--ignore-space-change | --ignore-whitespace]
[--whitespace=<option>] [-C<n>] [-p<n>] [--directory=<dir>]
@@ -39,6 +39,13 @@ OPTIONS
--keep::
Pass `-k` flag to 'git mailinfo' (see linkgit:git-mailinfo[1]).
+--keep-cr::
+--no-keep-cr::
+ With `--keep-cr`, call 'git mailsplit' (see linkgit:git-mailsplit[1])
+ with the same option, to prevent it from stripping CR at the end of
+ lines. `am.keepcr` configuration variable can be used to specify the
+ default behaviour. `--no-keep-cr` is useful to override `am.keepcr`.
+
-c::
--scissors::
Remove everything in body before a scissors line (see
diff --git a/Documentation/git-branch.txt b/Documentation/git-branch.txt
index 6b6c3da2d9..903a690f10 100644
--- a/Documentation/git-branch.txt
+++ b/Documentation/git-branch.txt
@@ -8,7 +8,7 @@ git-branch - List, create, or delete branches
SYNOPSIS
--------
[verse]
-'git branch' [--color | --no-color] [-r | -a]
+'git branch' [--color[=<when>] | --no-color] [-r | -a]
[-v [--abbrev=<length> | --no-abbrev]]
[(--merged | --no-merged | --contains) [<commit>]]
'git branch' [--set-upstream | --track | --no-track] [-l] [-f] <branchname> [<start-point>]
@@ -84,12 +84,14 @@ OPTIONS
-M::
Move/rename a branch even if the new branch name already exists.
---color::
+--color[=<when>]::
Color branches to highlight current, local, and remote branches.
+ The value must be always (the default), never, or auto.
--no-color::
Turn off branch colors, even when the configuration file gives the
default to color output.
+ Same as `--color=never`.
-r::
List or delete (if used with -d) the remote-tracking branches.
diff --git a/Documentation/git-clone.txt b/Documentation/git-clone.txt
index 88ea6246a1..43cfba0e45 100644
--- a/Documentation/git-clone.txt
+++ b/Documentation/git-clone.txt
@@ -102,7 +102,8 @@ objects from the source repository into a pack in the cloned repository.
--verbose::
-v::
- Run verbosely.
+ Run verbosely. Does not affect the reporting of progress status
+ to the standard error stream.
--progress::
Progress status is reported on the standard error stream
@@ -149,8 +150,7 @@ objects from the source repository into a pack in the cloned repository.
--template=<template_directory>::
Specify the directory from which templates will be used;
- if unset the templates are taken from the installation
- defined default, typically `/usr/share/git-core/templates`.
+ (See the "TEMPLATE DIRECTORY" section of linkgit:git-init[1].)
--depth <depth>::
Create a 'shallow' clone with a history truncated to the
diff --git a/Documentation/git-cvsimport.txt b/Documentation/git-cvsimport.txt
index ddfcb3d143..8bcd875a67 100644
--- a/Documentation/git-cvsimport.txt
+++ b/Documentation/git-cvsimport.txt
@@ -13,7 +13,7 @@ SYNOPSIS
[-A <author-conv-file>] [-p <options-for-cvsps>] [-P <file>]
[-C <git_repository>] [-z <fuzz>] [-i] [-k] [-u] [-s <subst>]
[-a] [-m] [-M <regex>] [-S <regex>] [-L <commitlimit>]
- [-r <remote>] [<CVS_module>]
+ [-r <remote>] [-R] [<CVS_module>]
DESCRIPTION
@@ -157,6 +157,22 @@ It is not recommended to use this feature if you intend to
export changes back to CVS again later with
'git cvsexportcommit'.
+-R::
+ Generate a `$GIT_DIR/cvs-revisions` file containing a mapping from CVS
+ revision numbers to newly-created Git commit IDs. The generated file
+ will contain one line for each (filename, revision) pair imported;
+ each line will look like
++
+---------
+src/widget.c 1.1 1d862f173cdc7325b6fa6d2ae1cfd61fd1b512b7
+---------
++
+The revision data is appended to the file if it already exists, for use when
+doing incremental imports.
++
+This option may be useful if you have CVS revision numbers stored in commit
+messages, bug-tracking systems, email archives, and the like.
+
-h::
Print a short usage message and exit.
diff --git a/Documentation/git-format-patch.txt b/Documentation/git-format-patch.txt
index 9674f9de67..835fb7135b 100644
--- a/Documentation/git-format-patch.txt
+++ b/Documentation/git-format-patch.txt
@@ -18,7 +18,7 @@ SYNOPSIS
[--in-reply-to=Message-Id] [--suffix=.<sfx>]
[--ignore-if-in-upstream]
[--subject-prefix=Subject-Prefix]
- [--cc=<email>]
+ [--to=<email>] [--cc=<email>]
[--cover-letter]
[<common diff options>]
[ <since> | <revision range> ]
@@ -162,6 +162,10 @@ will want to ensure that threading is disabled for `git send-email`.
allows for useful naming of a patch series, and can be
combined with the `--numbered` option.
+--to=<email>::
+ Add a `To:` header to the email headers. This is in addition
+ to any configured headers, and may be used multiple times.
+
--cc=<email>::
Add a `Cc:` header to the email headers. This is in addition
to any configured headers, and may be used multiple times.
@@ -202,8 +206,8 @@ CONFIGURATION
-------------
You can specify extra mail header lines to be added to each message,
defaults for the subject prefix and file suffix, number patches when
-outputting more than one patch, add "Cc:" headers, configure attachments,
-and sign off patches with configuration variables.
+outputting more than one patch, add "To" or "Cc:" headers, configure
+attachments, and sign off patches with configuration variables.
------------
[format]
@@ -211,6 +215,7 @@ and sign off patches with configuration variables.
subjectprefix = CHANGE
suffix = .txt
numbered = auto
+ to = <email>
cc = <email>
attach [ = mime-boundary-string ]
signoff = true
diff --git a/Documentation/git-grep.txt b/Documentation/git-grep.txt
index ee506e67f0..4b32322a67 100644
--- a/Documentation/git-grep.txt
+++ b/Documentation/git-grep.txt
@@ -17,7 +17,7 @@ SYNOPSIS
[-z | --null]
[-c | --count] [--all-match] [-q | --quiet]
[--max-depth <depth>]
- [--color | --no-color]
+ [--color[=<when>] | --no-color]
[-A <post-context>] [-B <pre-context>] [-C <context>]
[-f <file>] [-e] <pattern>
[--and|--or|--not|(|)|-e <pattern>...]
@@ -114,12 +114,14 @@ OPTIONS
Instead of showing every matched line, show the number of
lines that match.
---color::
+--color[=<when>]::
Show colored matches.
+ The value must be always (the default), never, or auto.
--no-color::
Turn off match highlighting, even when the configuration file
gives the default to color output.
+ Same as `--color=never`.
-[ABC] <context>::
Show `context` trailing (`A` -- after), or leading (`B`
diff --git a/Documentation/git-hash-object.txt b/Documentation/git-hash-object.txt
index 479fce4693..6904739a48 100644
--- a/Documentation/git-hash-object.txt
+++ b/Documentation/git-hash-object.txt
@@ -10,7 +10,7 @@ SYNOPSIS
--------
[verse]
'git hash-object' [-t <type>] [-w] [--path=<file>|--no-filters] [--stdin] [--] <file>...
-'git hash-object' [-t <type>] [-w] --stdin-paths < <list-of-paths>
+'git hash-object' [-t <type>] [-w] --stdin-paths [--no-filters] < <list-of-paths>
DESCRIPTION
-----------
diff --git a/Documentation/git-imap-send.txt b/Documentation/git-imap-send.txt
index 57db955bd4..6cafbe2ec1 100644
--- a/Documentation/git-imap-send.txt
+++ b/Documentation/git-imap-send.txt
@@ -71,6 +71,10 @@ imap.preformattedHTML::
option causes Thunderbird to send the patch as a plain/text,
format=fixed email. Default is `false`.
+imap.authMethod::
+ Specify authenticate method for authentication with IMAP server.
+ Current supported method is 'CRAM-MD5' only.
+
Examples
~~~~~~~~
diff --git a/Documentation/git-init.txt b/Documentation/git-init.txt
index 7ee102da48..246b07ebf9 100644
--- a/Documentation/git-init.txt
+++ b/Documentation/git-init.txt
@@ -28,14 +28,8 @@ current working directory.
--template=<template_directory>::
-Provide the directory from which templates will be used. The default template
-directory is `/usr/share/git-core/templates`.
-
-When specified, `<template_directory>` is used as the source of the template
-files rather than the default. The template files include some directory
-structure, some suggested "exclude patterns", and copies of non-executing
-"hook" files. The suggested patterns and hook files are all modifiable and
-extensible.
+Specify the directory from which templates will be used. (See the "TEMPLATE
+DIRECTORY" section below.)
--shared[={false|true|umask|group|all|world|everybody|0xxx}]::
@@ -106,6 +100,25 @@ of the repository, such as installing the default hooks and
setting the configuration variables. The old name is retained
for backward compatibility reasons.
+TEMPLATE DIRECTORY
+------------------
+
+The template directory contains files and directories that will be copied to
+the `$GIT_DIR` after it is created.
+
+The template directory used will (in order):
+
+ - The argument given with the `--template` option.
+
+ - The contents of the `$GIT_TEMPLATE_DIR` environment variable.
+
+ - The `init.templatedir` configuration variable.
+
+ - The default template directory: `/usr/share/git-core/templates`.
+
+The default template directory includes some directory structure, some
+suggested "exclude patterns", and copies of sample "hook" files.
+The suggested patterns and hook files are all modifiable and extensible.
EXAMPLES
--------
diff --git a/Documentation/git-mailsplit.txt b/Documentation/git-mailsplit.txt
index 5cc94ec53d..a634485281 100644
--- a/Documentation/git-mailsplit.txt
+++ b/Documentation/git-mailsplit.txt
@@ -7,7 +7,7 @@ git-mailsplit - Simple UNIX mbox splitter program
SYNOPSIS
--------
-'git mailsplit' [-b] [-f<nn>] [-d<prec>] -o<directory> [--] [<mbox>|<Maildir>...]
+'git mailsplit' [-b] [-f<nn>] [-d<prec>] [--keep-cr] -o<directory> [--] [<mbox>|<Maildir>...]
DESCRIPTION
-----------
@@ -43,6 +43,9 @@ OPTIONS
Skip the first <nn> numbers, for example if -f3 is specified,
start the numbering with 0004.
+--keep-cr::
+ Do not remove `\r` from lines ending with `\r\n`.
+
Author
------
Written by Linus Torvalds <torvalds@osdl.org>
diff --git a/Documentation/git-notes.txt b/Documentation/git-notes.txt
index d4487cab52..bef2f3942e 100644
--- a/Documentation/git-notes.txt
+++ b/Documentation/git-notes.txt
@@ -3,57 +3,112 @@ git-notes(1)
NAME
----
-git-notes - Add/inspect commit notes
+git-notes - Add/inspect object notes
SYNOPSIS
--------
[verse]
-'git notes' (edit [-F <file> | -m <msg>] | show) [commit]
+'git notes' [list [<object>]]
+'git notes' add [-f] [-F <file> | -m <msg> | (-c | -C) <object>] [<object>]
+'git notes' copy [-f] <from-object> <to-object>
+'git notes' append [-F <file> | -m <msg> | (-c | -C) <object>] [<object>]
+'git notes' edit [<object>]
+'git notes' show [<object>]
+'git notes' remove [<object>]
+'git notes' prune
+
DESCRIPTION
-----------
-This command allows you to add notes to commit messages, without
-changing the commit. To discern these notes from the message stored
-in the commit object, the notes are indented like the message, after
-an unindented line saying "Notes:".
+This command allows you to add/remove notes to/from objects, without
+changing the objects themselves.
+
+A typical use of notes is to extend a commit message without having
+to change the commit itself. Such commit notes can be shown by `git log`
+along with the original commit message. To discern these notes from the
+message stored in the commit object, the notes are indented like the
+message, after an unindented line saying "Notes:".
-To disable commit notes, you have to set the config variable
-core.notesRef to the empty string. Alternatively, you can set it
-to a different ref, something like "refs/notes/bugzilla". This setting
-can be overridden by the environment variable "GIT_NOTES_REF".
+To disable notes, you have to set the config variable core.notesRef to
+the empty string. Alternatively, you can set it to a different ref,
+something like "refs/notes/bugzilla". This setting can be overridden
+by the environment variable "GIT_NOTES_REF".
SUBCOMMANDS
-----------
+list::
+ List the notes object for a given object. If no object is
+ given, show a list of all note objects and the objects they
+ annotate (in the format "<note object> <annotated object>").
+ This is the default subcommand if no subcommand is given.
+
+add::
+ Add notes for a given object (defaults to HEAD). Abort if the
+ object already has notes (use `-f` to overwrite an
+ existing note).
+
+copy::
+ Copy the notes for the first object onto the second object.
+ Abort if the second object already has notes, or if the first
+ object has none (use -f to overwrite existing notes to the
+ second object). This subcommand is equivalent to:
+ `git notes add [-f] -C $(git notes list <from-object>) <to-object>`
+
+append::
+ Append to the notes of an existing object (defaults to HEAD).
+ Creates a new notes object if needed.
+
edit::
- Edit the notes for a given commit (defaults to HEAD).
+ Edit the notes for a given object (defaults to HEAD).
show::
- Show the notes for a given commit (defaults to HEAD).
+ Show the notes for a given object (defaults to HEAD).
+
+remove::
+ Remove the notes for a given object (defaults to HEAD).
+ This is equivalent to specifying an empty note message to
+ the `edit` subcommand.
+prune::
+ Remove all notes for non-existing/unreachable objects.
OPTIONS
-------
+-f::
+--force::
+ When adding notes to an object that already has notes,
+ overwrite the existing notes (instead of aborting).
+
-m <msg>::
+--message=<msg>::
Use the given note message (instead of prompting).
- If multiple `-m` (or `-F`) options are given, their
- values are concatenated as separate paragraphs.
+ If multiple `-m` options are given, their values
+ are concatenated as separate paragraphs.
-F <file>::
+--file=<file>::
Take the note message from the given file. Use '-' to
read the note message from the standard input.
- If multiple `-F` (or `-m`) options are given, their
- values are concatenated as separate paragraphs.
+-C <object>::
+--reuse-message=<object>::
+ Reuse the note message from the given note object.
+
+-c <object>::
+--reedit-message=<object>::
+ Like '-C', but with '-c' the editor is invoked, so that
+ the user can further edit the note message.
Author
------
-Written by Johannes Schindelin <johannes.schindelin@gmx.de>
+Written by Johannes Schindelin <johannes.schindelin@gmx.de> and
+Johan Herland <johan@herland.net>
Documentation
-------------
-Documentation by Johannes Schindelin
+Documentation by Johannes Schindelin and Johan Herland
GIT
---
diff --git a/Documentation/git-pull.txt b/Documentation/git-pull.txt
index 31f42ea21a..ab4de10358 100644
--- a/Documentation/git-pull.txt
+++ b/Documentation/git-pull.txt
@@ -31,6 +31,16 @@ in a state that is hard to back out of in the case of a conflict.
OPTIONS
-------
+-q::
+--quiet::
+ This is passed to both underlying git-fetch to squelch reporting of
+ during transfer, and underlying git-merge to squelch output during
+ merging.
+
+-v::
+--verbose::
+ Pass --verbose to git-fetch and git-merge.
+
Options related to merging
~~~~~~~~~~~~~~~~~~~~~~~~~~
diff --git a/Documentation/git-push.txt b/Documentation/git-push.txt
index 49b6bd9d92..59dc8b197e 100644
--- a/Documentation/git-push.txt
+++ b/Documentation/git-push.txt
@@ -146,14 +146,21 @@ useful if you write an alias or script around 'git push'.
receiver share many of the same objects in common. The default is
\--thin.
+-q::
+--quiet::
+ Suppress all output, including the listing of updated refs,
+ unless an error occurs. Progress is not reported to the standard
+ error stream.
+
-v::
--verbose::
Run verbosely.
--q::
---quiet::
- Suppress all output, including the listing of updated refs,
- unless an error occurs.
+--progress::
+ Progress status is reported on the standard error stream
+ by default when it is attached to a terminal, unless -q
+ is specified. This flag forces progress status even if the
+ standard error stream is not directed to a terminal.
include::urls-remotes.txt[]
diff --git a/Documentation/git-show-branch.txt b/Documentation/git-show-branch.txt
index b9c4154e73..f1499bba88 100644
--- a/Documentation/git-show-branch.txt
+++ b/Documentation/git-show-branch.txt
@@ -9,7 +9,7 @@ SYNOPSIS
--------
[verse]
'git show-branch' [-a|--all] [-r|--remotes] [--topo-order | --date-order]
- [--current] [--color | --no-color] [--sparse]
+ [--current] [--color[=<when>] | --no-color] [--sparse]
[--more=<n> | --list | --independent | --merge-base]
[--no-name | --sha1-name] [--topics]
[<rev> | <glob>]...
@@ -117,13 +117,15 @@ OPTIONS
When no explicit <ref> parameter is given, it defaults to the
current branch (or `HEAD` if it is detached).
---color::
+--color[=<when>]::
Color the status sign (one of these: `*` `!` `+` `-`) of each commit
corresponding to the branch it's in.
+ The value must be always (the default), never, or auto.
--no-color::
Turn off colored output, even when the configuration file gives the
default to color output.
+ Same as `--color=never`.
Note that --more, --list, --independent and --merge-base options
are mutually exclusive.
diff --git a/Documentation/merge-options.txt b/Documentation/merge-options.txt
index 3b83dba1a0..37ce9a17fc 100644
--- a/Documentation/merge-options.txt
+++ b/Documentation/merge-options.txt
@@ -67,6 +67,7 @@ option can be used to override --squash.
Synonyms to --stat and --no-stat; these are deprecated and will be
removed in the future.
+ifndef::git-pull[]
-q::
--quiet::
Operate quietly.
@@ -74,6 +75,7 @@ option can be used to override --squash.
-v::
--verbose::
Be verbose.
+endif::git-pull[]
-X <option>::
--strategy-option=<option>::
diff --git a/Documentation/technical/api-parse-options.txt b/Documentation/technical/api-parse-options.txt
index 50f9e9ac17..312e3b2e2b 100644
--- a/Documentation/technical/api-parse-options.txt
+++ b/Documentation/technical/api-parse-options.txt
@@ -115,6 +115,9 @@ There are some macros to easily define options:
`OPT__ABBREV(&int_var)`::
Add `\--abbrev[=<n>]`.
+`OPT__COLOR(&int_var, description)`::
+ Add `\--color[=<when>]` and `--no-color`.
+
`OPT__DRY_RUN(&int_var)`::
Add `-n, \--dry-run`.
@@ -183,6 +186,15 @@ There are some macros to easily define options:
arguments. Short options that happen to be digits take
precedence over it.
+`OPT_COLOR_FLAG(short, long, &int_var, description)`::
+ Introduce an option that takes an optional argument that can
+ have one of three values: "always", "never", or "auto". If the
+ argument is not given, it defaults to "always". The `--no-` form
+ works like `--long=never`; it cannot take an argument. If
+ "always", set `int_var` to 1; if "never", set `int_var` to 0; if
+ "auto", set `int_var` to 1 if stdout is a tty or a pager,
+ 0 otherwise.
+
The last element of the array must be `OPT_END()`.